Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
999898499Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19997969991030.92008-05-05 06:14:49
45103448210179893291962.02015-12-26 16:40:58
627104081867220229992065.82019-04-25 12:21:15
History
DateUserTypeResult
2025-03-12mikrNF
no factor from 2^69 to 2^71
2022-07-21onlinegameNF
no factor from 2^68 to 2^69
2022-04-07James HeinrichF
Factor: 4510344821017989329 / TF: 1-65
2022-04-07James HeinrichF
Factor: 1999796999 / TF: 1-65
2022-03-24James HeinrichNF
no factor from 2^66 to 2^67
2021-12-22ViliamFNF
no factor from 2^67 to 2^68
2019-04-25TJAOIF
Factor: 62710408186722022999 / TF: 65-66
2015-12-26ConductorF
Factor: 4510344821017989329 / TF: 1-62